Evaluation is essential for all types of interventionBMJ 2002; 324 doi: https://doi.org/10.1136/bmj.324.7332.300a (Published 02 February 2002) Cite this as: BMJ 2002;324:300
- Peter D Taylor, general practitioner (Peter.Taylor@GP-m82030.NHS.UK)
- Pontesbury, Shropshire SY5 0RF
EDITOR—Clark's plea for home visits by health visitors to be excluded from evaluation by randomised controlled trials cannot be accepted.1 His objections—the limitations of meta-analyses, the problems of confounding particularly where complex social factors are involved, and the selection of outcome measures—apply to many other interventions. The …
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